/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 全局样式 */
body {
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: #333;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* 主要样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #333;
    padding: 20px;
    color: #fff;
}

.navbar img {
    max-width: 100%;
    height: auto;
}

.sidebar {
    width: 200px;
    background-color: #eee;
    padding: 20px;
}

.sidebar ul li a {
    display: block;
    padding: 10px;
    color: #333;
}

.main-content {
    flex: 1;
    background-color: #fff;
    padding: 20px;
}

.table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

.table th,
.table td {
    padding: 10px;
    border: 1px solid #ccc;
}

.footer {
    background-color: #333;
    color: #fff;
    padding: 10px;
    text-align: center;
}
